78142303317760 has 144 divisors (see below), whose sum is σ = 204600385584000. Its totient is φ = 28358435819520.

The previous prime is 78142303317737. The next prime is 78142303317791. The reversal of 78142303317760 is 6771330324187.

It is a super-2 number, since 2×78142303317760² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78142303317698 and 78142303317707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464919 + ... + 12586921.

It is an arithmetic number, because the mean of its divisors is an integer number (1420836011000).

Almost surely, 2^{78142303317760} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78142303317760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102300192792000).

78142303317760 is an abundant number, since it is smaller than the sum of its proper divisors (126458082266240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78142303317760 is a wasteful number, since it uses less digits than its factorization.

78142303317760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122534 (or 11122520 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 78142303317760 in words is "seventy-eight trillion, one hundred forty-two billion, three hundred three million, three hundred seventeen thousand, seven hundred sixty".